Iran, Islamic Republic of vs Sierra Leone: GDP (constant 2015 US$), per unit of GDP

Iran, Islamic Republic of
1.43 constant 2015 US$ per US$ of GDP
in 2025
Sierra Leone
1.38 constant 2015 US$ per US$ of GDP
in 2025
Iran, Islamic Republic of rank
4th
Sierra Leone rank
6th

GDP (constant 2015 US$), per unit of GDP over time

  • Iran, Islamic Republic of
  • Sierra Leone
051015196019922025

How they compare

Iran, Islamic Republic of currently reports 1.43 constant 2015 US$ per US$ of GDP against 1.38 constant 2015 US$ per US$ of GDP in Sierra Leone, a difference of 0.05 constant 2015 US$ per US$ of GDP.

The two have swapped places 6 times across 66 shared years of data; in 1960 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 4th and Sierra Leone ranks 6th of 210 countries.

Across the 7 decades both report, Iran, Islamic Republic of averaged higher in 2 and Sierra Leone in 5.

Head to head by decade

Decade Iran, Islamic Republic of Sierra Leone Difference Ahead
1960s 13.03 constant 2015 US$ per US$ of GDP 6.67 constant 2015 US$ per US$ of GDP 6.37 constant 2015 US$ per US$ of GDP Iran, Islamic Republic of
1970s 6.55 constant 2015 US$ per US$ of GDP 5.46 constant 2015 US$ per US$ of GDP 1.09 constant 2015 US$ per US$ of GDP Iran, Islamic Republic of
1980s 1.25 constant 2015 US$ per US$ of GDP 4.55 constant 2015 US$ per US$ of GDP 3.3 constant 2015 US$ per US$ of GDP Sierra Leone
1990s 2.18 constant 2015 US$ per US$ of GDP 4.49 constant 2015 US$ per US$ of GDP 2.31 constant 2015 US$ per US$ of GDP Sierra Leone
2000s 1.62 constant 2015 US$ per US$ of GDP 2 constant 2015 US$ per US$ of GDP 0.3851 constant 2015 US$ per US$ of GDP Sierra Leone
2010s 0.8949 constant 2015 US$ per US$ of GDP 1.15 constant 2015 US$ per US$ of GDP 0.2587 constant 2015 US$ per US$ of GDP Sierra Leone
2020s 1.27 constant 2015 US$ per US$ of GDP 1.31 constant 2015 US$ per US$ of GDP 0.0485 constant 2015 US$ per US$ of GDP Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gdp (constant 2015 us$), per unit of gdp, Iran, Islamic Republic of or Sierra Leone?
Iran, Islamic Republic of, at 1.43 constant 2015 US$ per US$ of GDP against 1.38 constant 2015 US$ per US$ of GDP in Sierra Leone as of 2025.
What is the difference in gdp (constant 2015 us$), per unit of gdp between Iran, Islamic Republic of and Sierra Leone?
0.05 constant 2015 US$ per US$ of GDP, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Sierra Leone?
66 years are reported by both, from 1960 to 2025.
How do Iran, Islamic Republic of and Sierra Leone rank globally for gdp (constant 2015 us$), per unit of gdp?
Iran, Islamic Republic of ranks 4th and Sierra Leone ranks 6th of 210 countries.
Where does this data come from?
Statizoid (derived), published as GDP (constant 2015 US$), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Sierra Leone: GDP (constant 2015 US$), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 07 September 2026, from https://economy.statizoid.com/compare/gdp-constant-2015-us-per-unit-of-gdp/iran-islamic-rep/sierra-leone/

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About this data

Indicator
GDP (constant 2015 US$), per unit of GDP
Unit
constant 2015 US$ per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
258 places, 14,390 data points, 1960–2025
Last refreshed

GDP (constant 2015 US$) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.